From 9cc13c4fe7e5081ecf157018613ed4de9b356d57 Mon Sep 17 00:00:00 2001
From: lukaseder <lukas.eder@gmail.com>
Date: Thu, 5 Apr 2018 20:31:33 +0300
Subject: [PATCH] [#7183] Fix this also for HSQLDB

---
 jOOQ/src/main/java/org/jooq/impl/ConstantSortField.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/jOOQ/src/main/java/org/jooq/impl/ConstantSortField.java b/jOOQ/src/main/java/org/jooq/impl/ConstantSortField.java
index c36d03e0da..c4f29024d9 100644
--- a/jOOQ/src/main/java/org/jooq/impl/ConstantSortField.java
+++ b/jOOQ/src/main/java/org/jooq/impl/ConstantSortField.java
@@ -37,6 +37,8 @@
  */
 package org.jooq.impl;
 
+import static org.jooq.impl.DSL.one;
+import static org.jooq.impl.DSL.select;
 import static org.jooq.impl.Keywords.K_NULL;
 import static org.jooq.impl.Keywords.K_SELECT;
 
@@ -67,7 +69,8 @@ final class ConstantSortField<T> extends CustomField<T> {
 
 
             case POSTGRES:
-                ctx.sql('(').visit(K_SELECT).sql(" 1)");
+            case HSQLDB:
+                ctx.sql('(').visit(select(one())).sql(')');
                 break;
 
             default: